Dumbell That Say

hold a one- to five-pound dumbbell in each hand to get your upper body fired up, too. The bonus burn: You’ll increase your afterburn by working your muscles to exhaustion each set instead of stopping. “I switched out dumbbells for bottles of beer,” he said. After 20-plus years in the industry, Sagan says of his career, “Originally, it was to pay the bills while in college. Then after that it…